Solve 3+2-1
4
Define variable.
A variable is a letter or symbol that represents an unknown number.
Rewrite "the sum of a number and 2" as an algebraic expression.
24 minus s 24 take away s the difference of 24 and What is x+2?
I spy... the terms in the expression
7h+3
7h, 3
Write the expression using exponents
b⋅b⋅b
b3
Solve 15-2x4
7
A term in an expressions who's value does not change or have a partner
Constant
Come up with an expression for the following: the quotient of 12 and x.
12/x
I spy... the constants in the expression
7h+3
3
Evaluate 35
What is 243
Solve: 3 + 81/9
12
A math phrase with symbols, numbers and variables without an = sign?
What is an algebraic expression?
Rewrite "3 less than a number" as an algebraic expression.
What is x-3?
I spy... the coefficients in the expression
7h+3
7
Write the expression using exponents
8⋅8⋅8⋅8⋅8
What is 85
Evaluate: 10 x (4+5) - 12
78
Define coefficient.
the number being multiplied by the variable (needs a partner)
Rewrite "the sum of twice a number and 5" as an algebraic expression.
What is 2x+5?
I spy... the coefficients in the expression
g+12+9g
9
Write the expression using exponents
5.2⋅5.2⋅5.2⋅5.2
5.24
Evaluate: [3(4-2)]+ 3 x 7
27
Define like terms.
Two or more terms that contain the same variable or raised to the same power. Ex: in 3m + 4 + 2m, 3m and 2m are like terms since they both have the same variable
Rewrite "6 less than the quotient of a number and 2" as an algebraic expression.
x/2-6?
I spy... the constants in the expression
5c+7d
There are no constants
Evaluate 32.
What is 9?